Images of Earth from space

NASA

This image of Earth was generated by researchers in the Laboratory for Atmospheres at NASA's Goddard Space Flight Center in Greenbelt, Md., using data from three different satellite instruments.

This image of Earth was generated by researchers in the Laboratory for Atmospheres at NASA's Goddard Space Flight Center in Greenbelt, Md., using data from three different satellite instruments. (NASA)

Geography graduated from grade school in the '60s when American astronauts snapped pictures of the Earth from space. Here's a look at examples of recent images of the Earth taken by astronauts and satellites.